From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1951530CD9F for ; Wed, 27 Aug 2025 08:15:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756282536; cv=none; b=olw0jBzGS6sLQsmvz2dY3eo24NihjZphvDTpL3Z19Jo9bdv5lR7TZdW1SiJsAxGZDkqkhNb5hNLs8J8qJ+vmlDD7fwUakJE59KSVo1Vfn62WjBzRy4HO+TPr8FB660aZ5oMAb7CcInxwabOB8G0XlMgQ5MFMtxHun+PN3cRoUsw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756282536; c=relaxed/simple; bh=g5EAdOq4nbNrMDycLfDUT5qkoEvJRCbcq/nzuV8pmmo=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Wzwt7EzkFVZdbYCffxXURgnhR7hq4WkuKHY9YX/CnALVr3fw6DPVLyusbWBaZWtz2uzHmxQErRNSllu9y5SjaRX+kBCX6i8C3rVaWtARc9yWxpbQzuxYwvKxapXYD/tPa3+UnPJgQXqtN/ZTpcOC9LfEBWLn1FY+mb/ezfp8R2c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3e6766c3935so80013345ab.2 for ; Wed, 27 Aug 2025 01:15:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756282534; x=1756887334; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=mY5T3saMw+ScB7Jfgl0MCq8x+xrVCw4jczqPzVND7KA=; b=Sa1v9vZAbDiMgdFp565B5zrczBYwMTDgDoL13vnHEcrJdj67Zt6jN00sQyWirgafiw 6jKjuOOIpOKLbvqJMoQ7Wg149HNHrmgvZYUICz8TmXh8CwH267MkXmd3TEKxtCRQYHz4 if6h7FvRa49kLH9XvNUeyCzmLy3uGhmGQec1yHAmWMtVrvSRu2a4yV1poN3TnU1elBhx XdxA26u48Q2RXgGNmC0fiMEUThM6ekdmhR5OjBaf/EwbXseHDtvWaHaoJkvg53p3Dmsl bOe28kYZdhGvndeR0UMNL9LQk1z3qfr5+bo+Dawb7hcJedHfyP18rwcQ+UTdHK45Ep6n NjgA== X-Gm-Message-State: AOJu0YzOc4xCyh4OGi+sMCDVDbEWfoWBjUxiHXrw99OECd84bRDAtELT NLbutdBB0O1FfmOuV/ak/Oa01mqDRPu1igBdVSwSlvtn2jbSlSmriFswncs5Cr9kM4YGavYpjMS FrnAYuyOcrQ3PmQWv4NLUxalWN/9rRYMSPJp+gnNxOaz+3Y15EsulS4Vpt/c= X-Google-Smtp-Source: AGHT+IFXBQbKGcOq5qKykhKok3Tn6HIV67C1PxK+uXdesng0mbm5G+jKzdDjNhsUTouLcjhgjsLpao5fKS6f/frf9uQ916S9Mei1 Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3cc6:b0:3e5:7e02:a06d with SMTP id e9e14a558f8ab-3e91f93e0dbmr246066775ab.4.1756282534333; Wed, 27 Aug 2025 01:15:34 -0700 (PDT) Date: Wed, 27 Aug 2025 01:15:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68aebea6.a70a0220.3cafd4.0014.GAE@google.com> Subject: [syzbot] Monthly ext4 report (Aug 2025) From: syzbot To: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello ext4 maintainers/developers, This is a 31-day syzbot report for the ext4 subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/ext4 During the period, 4 new issues were detected and 0 were fixed. In total, 51 issues are still open and 157 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 77827 Yes possible deadlock in dqget https://syzkaller.appspot.com/bug?extid=6e493c165d26d6fcbf72 <2> 2920 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1 <3> 2624 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <4> 2555 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <5> 2135 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <6> 844 Yes KMSAN: uninit-value in aes_encrypt (5) https://syzkaller.appspot.com/bug?extid=aeb14e2539ffb6d21130 <7> 837 Yes WARNING in ext4_xattr_inode_lookup_create https://syzkaller.appspot.com/bug?extid=fe42a669c87e4a980051 <8> 476 No KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3) https://syzkaller.appspot.com/bug?extid=35257a2200785ea628f5 <9> 443 Yes INFO: task hung in do_get_write_access (3) https://syzkaller.appspot.com/bug?extid=e7c786ece54bad9d1e43 <10> 254 Yes INFO: task hung in do_renameat2 (2) https://syzkaller.appspot.com/bug?extid=39a12f7473ed8066d2ca --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.